| Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384) |
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| 02/06/2002 | EP1178157A1 Hydraulic driving device of civil engineering and construction machinery |
| 02/05/2002 | US6343537 Dual stroke cylinder |
| 01/31/2002 | WO2002008611A2 Hydrostatic system, equipped with a hydraulic displacement pump, for the radiator of an internal combustion engine |
| 01/31/2002 | US20020013642 Intelligent hydraulic manifold used in an injection molding machine |
| 01/31/2002 | US20020011269 Pressure-control valve |
| 01/31/2002 | US20020011013 Hydraulic excavating mobile machine |
| 01/31/2002 | DE10128835A1 Leitungsentlüftungsanordnung für eine elektrohydraulische Schaltung Line vent assembly for an electro-hydraulic circuit |
| 01/31/2002 | DE10122671A1 Method, for controlling hydraulic cylinder stable speed status in multi-cylinder electrohydraulic systems, uses multiple levers to control cylinders with stored parameters for settings between speed and lever position. |
| 01/31/2002 | DE10109510A1 Device for controlling actuators in hydraulic drive machines releases hydraulic oil delivered from a hydraulic cylinder operating an arm only partially into a tank |
| 01/31/2002 | DE10035902A1 Way valve set-up for three-way switching comprises two way valves linked to pressure connection via nonreturn valves unblocked by pressure tapped from respective second valve. |
| 01/31/2002 | DE10034931A1 Hydraulic double acting actuator has the direction and speed of operation controlled by valve system with outputs to each side of the actuator connecting to a pump or reservoir |
| 01/30/2002 | EP1176316A1 Hydraulic device for two actuators |
| 01/30/2002 | EP1176315A2 Controllable changeover valve |
| 01/30/2002 | EP1176115A1 Hydraulic circuit for a crane |
| 01/30/2002 | EP1175318A2 Method for braking a revolvable superstructure of a working machine and a pivoted brake unit |
| 01/30/2002 | CN1333435A Actuator controller fro hydraulic driving machinery |
| 01/29/2002 | US6341552 Self-calibrating system and method for controlling a hydraulically operated device |
| 01/26/2002 | CA2353367A1 Hydraulic device |
| 01/24/2002 | WO2002006679A2 Regeneration circuit |
| 01/24/2002 | US20020007855 Double valve with anti-tiedown capability |
| 01/24/2002 | US20020007631 Pressure compensating valve, unloading pressure control valve and hydraulically operated device |
| 01/24/2002 | DE10115634A1 Hydraulic pressure intensifier has plunger piston as high pressure generator or drive spindle for at least working stroke driven by electrical arrangement |
| 01/24/2002 | DE10033803A1 Fork lift truck has hydrostatic propulsion drive coupled to common pump with hydraulic operating devices |
| 01/24/2002 | DE10033757A1 Hydraulic load controller has blocking valve in line from control valve to load connection for blocking load without oil leakage, slide valve controlling connection of pump port, load connection |
| 01/24/2002 | DE10033531A1 Hydraulische Lenkanlage für Nutzfahrzeuge Hydraulic steering system for commercial vehicles |
| 01/24/2002 | DE10030079A1 Cylinder piston arrangement based on electro- and magneto-rheological liquids, has second volume-changing chamber that produces bias force against admission direction of pressure medium in first working chamber |
| 01/24/2002 | CA2383669A1 Regeneration circuit |
| 01/23/2002 | EP1173695A1 Stud tensioning device for flange cover |
| 01/23/2002 | EP0935716B1 Check valve |
| 01/23/2002 | EP0813656B1 Valve control |
| 01/23/2002 | CN2473368Y Hydraulic controller for digging machine |
| 01/22/2002 | US6339929 Swivel control apparatus |
| 01/18/2002 | WO2002055888A1 Hydraulic driving device |
| 01/17/2002 | WO2002004193A1 Energy efficient extruder drive |
| 01/17/2002 | US20020005112 Hydraulic cylinder for telescopic arms |
| 01/17/2002 | DE10033094A1 Control module comprises sliding valve, in duct leading from pump, with reflux, stop and throttle valves, and pressure balance |
| 01/16/2002 | EP1172566A1 Automatic pressurized fluid switching device |
| 01/16/2002 | EP1172565A2 Hydraulic circuit for construction machine |
| 01/16/2002 | EP1172488A1 Hydraulic circuit of working machine |
| 01/16/2002 | EP1172324A1 Hydraulic cylinder for telescopic arms |
| 01/16/2002 | EP1172279A2 Hydraulic steering system for utility vehicles |
| 01/16/2002 | EP1171343A1 Combined damper and truck positioner for landing gear |
| 01/10/2002 | WO2002002974A2 Valve control unit for a hydraulic elevator |
| 01/10/2002 | DE10032024A1 Device for increasing the input pressure of a pneumatic medium for use in pressure testing, rupture testing, etc., can be made with commercially available components to reduce production costs while offering a wide operating range |
| 01/10/2002 | DE10031892A1 Controlling speed of electrohydraulic lifting drive involves using range between minimum, maximum revolution rates as proportional working range for controlling electric motor speed |
| 01/10/2002 | DE10031586A1 Hydraulisch gesteuertes Druckentlastungsventil für Hochdruckreaktoren Hydraulically operated pressure relief valve for high pressure reactors |
| 01/10/2002 | CA2383190A1 Valve control unit for a hydraulic elevator |
| 01/09/2002 | EP1170510A2 Hydraulic control arrangement for supplying pressurised fluid preferably to several hydraulic loads |
| 01/09/2002 | EP1169202A1 Device for measuring the pressure of a fluid |
| 01/09/2002 | EP0918597B1 Pumping unit with speed transducer |
| 01/09/2002 | CN2470598Y Gas, oil pressure revolving cylinder |
| 01/09/2002 | CN1330240A 减压阀 Valve |
| 01/09/2002 | CN1077648C Engine control system for construction machine |
| 01/08/2002 | US6336325 Hydrostatic loop dump valve for reducing input torque required by hydrostatic unit |
| 01/03/2002 | WO2002001080A1 Hydraulic actuating system with electric control |
| 01/03/2002 | US20020000245 Pressure reducing valve |
| 01/03/2002 | US20020000157 Manually-operated synchronizing valve for paired hydraulic cylinders |
| 01/02/2002 | EP1167846A2 Mounting assembly for valves |
| 01/02/2002 | EP1167778A1 Rotary servo valve and punch press hydraulic servo device using the rotary servo valve |
| 01/02/2002 | EP1167777A1 Signal processor of joystick input device |
| 01/02/2002 | EP1165895A1 Load-sensitive hydraulic control system for a mobile working machine |
| 01/01/2002 | US6334495 Fluid operated percussion device |
| 01/01/2002 | US6334308 Pressure compensating valve, unloading pressure control valve and hydraulically operated device |
| 12/27/2001 | WO2001098692A2 Intrinsically safe microprocessor controlled pressure regulator |
| 12/27/2001 | US20010054351 Force-controlled hydro-elastic actuator |
| 12/27/2001 | US20010054286 Construction machine |
| 12/25/2001 | US6332316 Hydraulic control device for working vehicle |
| 12/20/2001 | WO2001096748A1 Hydraulic circuit for working machines |
| 12/20/2001 | WO2001096071A1 Pneumatic precision pliers |
| 12/20/2001 | DE19828465C2 Schwenkantrieb für Armaturen Rotary actuator for valves |
| 12/19/2001 | EP1164297A1 Hydraulic driving device |
| 12/19/2001 | EP1163979A1 Pneumatically operated precision pliers |
| 12/19/2001 | EP1163453A1 Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes |
| 12/19/2001 | EP1163150A1 Turning of a propulsion unit |
| 12/19/2001 | CN2466407Y Hydraulic controlling mechanism for compound ejection device of full-automatic hydraulic brick press |
| 12/19/2001 | CN1327521A Pipe breakage control valve device |
| 12/19/2001 | CN1076425C Control device of prime mover and oil hydraulic pump of oil hydraulic building machinery |
| 12/18/2001 | US6330798 Hydraulic system with shadow poppet valve |
| 12/18/2001 | US6330797 Hydraulic circuit for turning excavator |
| 12/13/2001 | WO2001094093A1 Actuator having dual piston surfaces |
| 12/13/2001 | DE10026616A1 Hydropneumatic pressure intensifier has high pressure piston with rod passing through bore in actuator piston and rod, with pistons moving in opposite directions for pressure generation |
| 12/12/2001 | EP1162375A2 Actuation arrangement for swivelling parts of vehicles |
| 12/12/2001 | EP1162374A1 Hydraulic drive device |
| 12/12/2001 | EP0516864B2 Hydraulic driving system and direction change-over valves |
| 12/12/2001 | CN1326054A Hydraulic activator |
| 12/12/2001 | CN1076065C Oil pressure loop for oil pressure excavator |
| 12/11/2001 | US6328173 Crane |
| 12/11/2001 | US6327959 Directional control valve device |
| 12/11/2001 | US6327956 Hydraulic control with improved regenerative valve apparatus and method |
| 12/06/2001 | WO2001092729A1 Hydraulic control device |
| 12/06/2001 | WO2001092651A1 Hydraulic circuit and attachment emergency drive method for construction machinery |
| 12/06/2001 | US20010049318 Displacement control device for hydraulic pump and brake control device for hydraulic motor |
| 12/06/2001 | DE10027382A1 Hydraulische Steuereinrichtung Hydraulic control device |
| 12/05/2001 | EP1159532A1 Linear-acting controllable pneumatic actuator and motion control apparatus including a field responsive medium and control method therefor |
| 12/05/2001 | EP0870104B1 Lock for nozzle control in the event of hydraulic failure |
| 12/05/2001 | EP0795690B1 Hydraulic driving device |
| 12/04/2001 | US6325104 Hydraulic circuit, precedence valve block and operation valve block assembly |
| 12/04/2001 | US6325102 Servo driving pilot-type solenoid valve |
| 11/29/2001 | WO2001090618A1 Unloading valve |
| 11/29/2001 | WO2001090532A1 Hydraulically operated fluid metering apparatus for use in a subterranean well |